车轮疲劳试验机
车辆的车轮是受复杂的载荷,特别是旋转弯曲载荷。这些压力可以在实验室中模拟一个旋转的不平衡质量的弯曲试验台。这些系统的优点是极其能耗低，测试频率高，小保养费用，以及一个确切的早期裂缝自动识别。客运和小货车车轮轮试验台的设计作为一种不平衡的大众的共鸣试验台采用旋转弯曲载荷可达10 KNM。该轮被钳制在基板T型槽。因为僵硬的大会，是有可能测试车轮大小25“。这是连接到一个杠杆臂，旋转弯曲载荷引入到试样不平衡质量驱动器。为了适应不同的轮辋尺寸的杠杆臂，可高度调整手动主轴驱动器与轴关节。为了满足数据采集的高要求和控制杠杆臂有四个测量点。 Wheel Test System
The wheels of vehicles are subject to complex demands. Particularly the spoke or dish area is essentially
stressed by rotating bending loads. Additionally all components in the subsequent area of
the wheel, e.g. wheel flanges and flange bearings including their screw connections become
stressed by rotating bending moment loads. These stresses can be simulated in the laboratory with
a rotating bending test rigs with an unbalanced-mass. Advantages of these systems are an extremely
low energy consumption, high testing frequencies, small maintenance costs and an exact
automatic incipient crack recognition.
The wheel test rig for passenger and small truck wheels is designed as an unbalanced mass resonance
test rig for applying rotating bending loads up to 10 kNm. The wheel is clamped on a baseplate
with T-slots. Because of the stiff assembly it is possible to test wheels up to a size of 25”.
The rotating bending load is introduced to the specimen by a lever-arm which is connected to the
unbalanced mass drive. For the adaptation of different rim sizes the lever-arm can be height adjusted
by a manual spindle drive with shaft joints.
To meet the high requirements of the data acquisition and the controlling the lever-arm has four
measuring points. The load frame works with its mass as a counterpart, which can move freely. The
dynamic uncoupling takes place by means of springs. The testing frequencies can be influenced by
removable unbalanced masses.
Type of loading Rotating bending
Frequency range 10 ... 50 Hz
Nominal load 2 … 10 kNm
Typical application Fatigue limit tests on wheels, wheel flanges and flange bearings
Controller EXCITING MOT
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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途
